32731: Marine Strength of Materials and Fluid Mechanics Marine 3rd Sem Syllabus for Diploma TNDTE M Scheme

Marine Strength of Materials and Fluid Mechanics detail TNDTE Diploma syllabus for Marine Engineering (MN), M scheme is extracted from TNDTE official website and presented for diploma students. The course code (32731), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other marine 3rd sem syllabus for diploma m scheme tndte you can visit Marine 3rd Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for marine strength of materials and fluid mechanics is as follows.

Rationale:

Ships are subject to different types of loads.These loads cause stresses in ships and result in the formation of shear force and bending moment. Loads and stresses are experienced unevenly at different parts of the ships. Movement of ships on waves can also cause stresses and strain depending on the position of the crest and trough of the wave. This study is done by considering the ship as a simply supported beam. Pumps and pressure gauges also play a major role in ships.

Objectives:

• At the end of this course the student should be able to understand the various forces and stresses acting on a body.
• Further, the student should understand the principle of centroid of sections.
• To understand the stresses developed in beams under various loads. The student should be able to comprehend the effect of shear force & bending moment on beams.
• The student should be able to understand the properties of fluid in motion and hydrostatic forces on surfaces, the fluid kinematics and fluid dynamics of motion. The applications of the conservation of laws to flow through pipes are studied.
• The student should also be able to comprehend functions of pumps. All these should be achieved both conceptually and through solved examples.

Detailed Content:

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Unit I

1. Mechanical Properties Of Materials, Stresses And Strains:Introduction—Definitions of mechanical properties of metals — tensile stress, compressive stress. Classification of force systems – tensile, compressive, shear, bending and torsional force systems – Behaviour of mild steel bar in axial tension up to rupture – stress strain diagram. Hook’s Law, Young’s Modulus, working stress, factor of safety.
2. Poisson’S Ratio And Other Elastic Constants: Lateral strain – Poisson’s ratio – volumetric strain, bulk modulus, elastic constants and their relationship. Problems connecting linear, lateral and volumetric deformations. Problems on volumetric strain, Poisson’s ratio and E,C,K relation
3. Geometrical Properties Of Sections: Introduction – centroid, center of gravity, position of centroids on plane geometrical areas such as square, rectangle, triangle. Determination of centriod of angles, channels, I and T sections. Moment of Inertia (definition only) – parallel axis theorem and perpendicular axis theorem.

Unit II

1. Shear Force And Bending Moment Diagrams:Classification of beams – shear force and bending moment – sign convention – types of loads – Shear force and bending moment diagram for simply supported beam and cantilever beam subjected to concentrated load and uniformly distributed load only – Problems.
2. Theory Of Simple Bending:Introduction – theory of simple bending – assumptions – neutral axis -bending stress distribution – moment of resistance – bending equation (study only.). Section modulus – strength and stiffness of beam. Problems involving bending equation for cantilever and simply supported beam.

Unit III

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Unit IV

1. Fluid Kinematics And Fluid Dynamics: Types of flow – Laminar flow – Turbulent flow – Steady flow – Unsteady flow -Uniform flow – Non-uniform flow – flow pattern – path line – stream line -mean velocity of flow – Continuity equation (definition only) – Fluid dynamics – Different types of Heads and Energies of a liquid in motion – Bernoulli’s theorem (definition only) – Applications and limitations – Horizontal Venturimeters, Orifice meter and Pitot tubes. Problems on Horizontal Venturimeters and Orifice meter.
2. Flow Through Pipes:Laws of fluid friction for laminar and turbulent flow – Froude’s experiment -Wetted perimeter – Hydraulic radius – head lost due to friction – Darcy Weisbach equation and Chezy’s formula (derivation not needed) -problems. Minor losses (description only).

Unit V

1. Reciprocating Pumps Reciprocating pumps – Classifications – single acting – Double acting reciprocation pumps – discharge of a reciprocating pump – theoretical power required – coefficient of discharge – slip – percentage slip – negative slip -acceleration head – air vessels. Problems on discharge, slip, percentage slip, power required to drive the pump.
2. Centrifugal Pumps: Constructional details – Principle of working – classifications – types of casing – volute – vortex – diffuser casings. Types of impellers – closed, open and semi open impellers – multi stage pumps reasons – working and advantages.

Text Books:

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Reference Books:

1. Strength of Materials, S. Ramamrutham, Dhanpat Rai Company-2009
2. Hydraulics, Fluid Mechanics and Fluid machines, S. Ramamrutham ,Dhanpat Rai Company-2009

For detail syllabus of all other subjects of BE Marine, M scheme do visit Marine 3rd Sem syllabus for M scheme.

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